In the 1760s, San Gabriel de las Nutrias was a short lived settlement in the Rio Abajo south of Tomé and Belen, across the Rio Grande and south of Sabinal. In 1764 and 1765 two census records were taken of the settlers.

Census of San Gabriel de las Nutrias Settlers 14 February 1764 as taken by Alcalde Miguel Lucero, Fonclara

Census of San Gabriel de las Nutrias Settlers 28 November 1765 - Taken by Governor Tomás Vélez Cachupín*The first fourteen families listed are reputed to be and known as white.

1. Tomás Montoya, with his wife and six children, 8 in family 2. Juan Antonio Garcia, single, 1 3. Juan Varela, with his wife and two children, 4 4. Antonio Serna, with his wife and four children, 6 5. Juan Miguel Chaves, with his wife and five children, 7 6. Juan Chaves, with his wife and five children, 7 7. José Antonio Montoya, single with his mother and one sister, 3 8. Pedro Romero , with his wife and six children, 8 9. Antonio Montoya, single and ready to marry, 110. Bártolo Aragon, with his wife and four children, 611. Matías Alderete, with his wife and seven children, 912. Vicente Gallegos, with his wife and four children, 613. María Luisa Baca, widow with two children, 314. María Baca, widow with six children, 715. Antonio Chaves, quality mestizo, with his wife and two children , 416. Andrés Chaves, mestizo, with his wife and four children, 617. Antonio Baca, mestizo, with his wife and one child, 318. José Antonio García, mestizo with his mother and two siblings, 419. José Jaramillo, mestizo, single, 120. Gregorio Griego, mestizo with his wife and three children, 521. Juan Domingo Jaramillo, mestizo with his wife and one child, 322. Joseph (de Salas?), mestizo with his wife and eight children, 1023. Francisca Salas, mestiza, widow with five children, 624. Juan Antonio Anaya, quality Indian with his wife and three children, 525. Francisco Javier Anaya, Indian with his wife and five children, 726. Pablo Anaya, Indian with his wife and two children, 427. Juan Chaves, Indian with his wife and three children, 528. Manuel Bustos, quality mulato with his wife and seven children, 929. Antonio Garcia, mulato with his wife and one child, 330. (S)ánchez, Indian genízaro with his wife and five children, 7158 people

Pedro married Gregoria Baca Luna, daughter of Antonio de Luna and Jacinta Peláez, on 26 Aug 1728 in Isleta, Bernilillio, Nuevo Méjico, Nueva España.34 (Gregoria Baca Luna was born after 1710 in Nuevo Méjico, Nueva España and died before 1762 in Nuevo Méjico, Nueva España.)